grouped to stacked transition

_.md

[ Launch: Crowdfunding Stats ] 8827504 by DeBraid

config.json

{"description":"grouped to stacked transition","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"data.json":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/M3GfyRM.png"}

data.json

[
  {
    "Category ":"All",
    "Success":55797,
    "Under $1000":6033,
    "$1000-$9999":35439,
    "$10000-19999":7461,
    "$20000-99999":5755,
    "100K - $999999":1053,
    "Over $1 Million":56
  },
  {
    "Category ":"Music",
    "Success":14744,
    "Under $1000":1434,
    "$1000-$9999":10935,
    "$10000-19999":1709,
    "$20000-99999":634,
    "100K - $999999":31,
    "Over $1 Million":1
  },
  {
    "Category ":"Film & Video",
    "Success":12796,
    "Under $1000":1216,
    "$1000-$9999":7748,
    "$10000-19999":2008,
    "$20000-99999":1668,
    "100K - $999999":153,
    "Over $1 Million":3
  },
  {
    "Category ":"Art",
    "Success":5491,
    "Under $1000":1035,
    "$1000-$9999":3782,
    "$10000-19999":457,
    "$20000-99999":203,
    "100K - $999999":14,
    "Over $1 Million":0
  },
  {
    "Category ":"Publishing",
    "Success":4985,
    "Under $1000":763,
    "$1000-$9999":3258,
    "$10000-19999":588,
    "$20000-99999":351,
    "100K - $999999":25,
    "Over $1 Million":0
  },
  {
    "Category ":"Theater",
    "Success":3502,
    "Under $1000":465,
    "$1000-$9999":2634,
    "$10000-19999":258,
    "$20000-99999":137,
    "100K - $999999":8,
    "Over $1 Million":0
  },
  {
    "Category ":"Games",
    "Success":2822,
    "Under $1000":150,
    "$1000-$9999":1091,
    "$10000-19999":541,
    "$20000-99999":763,
    "100K - $999999":248,
    "Over $1 Million":29
  },
  {
    "Category ":"Design",
    "Success":2433,
    "Under $1000":146,
    "$1000-$9999":852,
    "$10000-19999":458,
    "$20000-99999":719,
    "100K - $999999":249,
    "Over $1 Million":9
  },
  {
    "Category ":"Food",
    "Success":2042,
    "Under $1000":93,
    "$1000-$9999":1002,
    "$10000-19999":528,
    "$20000-99999":397,
    "100K - $999999":22,
    "Over $1 Million":0
  },
  {
    "Category ":"Comics",
    "Success":1703,
    "Under $1000":216,
    "$1000-$9999":1024,
    "$10000-19999":246,
    "$20000-99999":187,
    "100K - $999999":29,
    "Over $1 Million":1
  },
  {
    "Category ":"Fashion",
    "Success":1464,
    "Under $1000":149,
    "$1000-$9999":816,
    "$10000-19999":229,
    "$20000-99999":234,
    "100K - $999999":35,
    "Over $1 Million":1
  },
  {
    "Category ":"Photography",
    "Success":1426,
    "Under $1000":219,
    "$1000-$9999":936,
    "$10000-19999":182,
    "$20000-99999":87,
    "100K - $999999":1,
    "Over $1 Million":1
  },
  {
    "Category ":"Technology",
    "Success":1212,
    "Under $1000":52,
    "$1000-$9999":385,
    "$10000-19999":173,
    "$20000-99999":353,
    "100K - $999999":238,
    "Over $1 Million":11
  },
  {
    "Category ":"Dance",
    "Success":1177,
    "Under $1000":95,
    "$1000-$9999":976,
    "$10000-19999":84,
    "$20000-99999":22,
    "100K - $999999":0,
    "Over $1 Million":0
  }
]

inlet.js

// Stacked explaination https://groups.google.com/forum/#!topic/d3-js/B4K5gYU0WYs

// var data1 = tributary.data;

var mycsv = 'Category,Under $1000,$1000-$9999,$10000-19999,$20000-99999,100K - $999999,Over $1 Million\n' +
'Music,1434,10935,1709,634,31,1\n' +
'Film & Video,1216,7748,2008,1668,153,3\n' +
'Art,1035,3782,457,203,14,0\n' +
'Publishing,763,3258,588,351,25,0\n' +
'Theater,465,2634,258,137,8,0\n' +
'Games,150,1091,541,763,248,29\n' +
'Design,146,852,458,719,249,9\n' +
'Food,93,1002,528,397,22,0\n' +
'Comics,216,1024,246,187,29,1\n' +
'Fashion,149,816,229,234,35,1\n' +
'Photography,219,936,182,87,1,1\n' +
'Technology,52,385,173,353,238,11\n' +
'Dance,95,976,84,22,0,0\n';

var headers = ["Under $1000","$1000-$9999","$10000-19999","$20000-99999","100K - $999999","Over $1 Million"];


/*
var myData = function(mycsv){
  
    d3.layout.stack()(headers
              .map(function(value){
                      return mycsv.map(function(d) {
                        
                        return {x: d.Category, y: +d[value]};
                      });
                 }))
};
    console.log(myData);

*/
  
var n = 6, // number of layers
    m = 12, // number of samples per layer
    stack = d3.layout.stack(),
    layers = stack(d3.range(n).map(function() { return bumpLayer(m, .1); })),
    yGroupMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y; }); }),
    yStackMax = d3.max(layers, function(layer) { return d3.max(layer, function(d) { return d.y0 + d.y; }); });

console.log("check bumpLayer");
console.log(bumpLayer(m, 0.1))
console.log("check layers");
console.log(layers);
console.log("check yGroupMax");
console.log(yGroupMax);
console.log("check yStackMax");
console.log(yStackMax);
console.log("check end");


var margin = {top: 40, right: 10, bottom: 20, left: 10},
    width = 700 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal()
    .domain(d3.range(m))
    .rangeRoundBands([0, width], .08);

var y = d3.scale.linear()
    .domain([0, yStackMax])
    .range([height, 0]);

var color = d3.scale.ordinal()
    .range(["#98ABC5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);


var xAxis = d3.svg.axis()
    .scale(x)
    .tickSize(0)
    .tickPadding(6)
    .orient("bottom");

var svg = d3.select("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var layer = svg.selectAll(".layer")
    .data(layers)
  .enter().append("g")
    .attr("class", "layer")
    .style("fill", function(d, i) { return color(i); });

var rect = layer.selectAll("rect")
    .data(function(d) { return d; })
  .enter().append("rect")
    .attr("x", function(d) { return x(d.x); })
    .attr("y", height)
    .attr("width", x.rangeBand())
    .attr("height", 0);

rect.transition()
    .delay(function(d, i) { return i * 10; })
    .attr("y", function(d) { return y(d.y0 + d.y); })
    .attr("height", function(d) { return y(d.y0) - y(d.y0 + d.y); });

svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);

d3.selectAll("input").on("change", change);

var timeout = setTimeout(function() {
  d3.select("input[value=\"grouped\"]").property("checked", true).each(change);
}, 2000);

function change() {
  clearTimeout(timeout);
  if (this.value === "grouped") transitionGrouped();
  else transitionStacked();
}

function transitionGrouped() {
  y.domain([0, yGroupMax]);

  rect.transition()
      .duration(500)
      .delay(function(d, i) { return i * 10; })
      .attr("x", function(d, i, j) { return x(d.x) + x.rangeBand() / n * j; })
      .attr("width", x.rangeBand() / n)
    .transition()
      .attr("y", function(d) { return y(d.y); })
      .attr("height", function(d) { return height - y(d.y); });
}

function transitionStacked() {
  y.domain([0, yStackMax]);

  rect.transition()
      .duration(500)
      .delay(function(d, i) { return i * 10; })
      .attr("y", function(d) { return y(d.y0 + d.y); })
      .attr("height", function(d) { return y(d.y0) - y(d.y0 + d.y); })
    .transition()
      .attr("x", function(d) { return x(d.x); })
      .attr("width", x.rangeBand());
}

// Inspired by Lee Byron's test data generator.
function bumpLayer(n, o) {

  function bump(a) {
    var x = 1 / (.1 + Math.random()),
        y = 2 * Math.random() - .5,
        z = 10 / (.1 + Math.random());
    for (var i = 0; i < n; i++) {
      var w = (i / n - y) * z;
      a[i] += x * Math.exp(-w * w);
    }
  }

  var a = [], i;
  for (i = 0; i < n; ++i) a[i] = o + o * Math.random();
  for (i = 0; i < 5; ++i) bump(a);
  return a.map(function(d, i) { return {x: i, y: Math.max(0, d)}; });
}